Displaying The Contents Of Active Rtt Cache Entries - Brocade Communications Systems ServerIron ADX 12.4.00 Manual Manual

Global server load balancing guide
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Displaying the contents of active RTT cache entries

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Client IP address: 30.30.1.2
Domain : www.l47qa.com
Number of hashed IPs for domain : 3
Number of active IPs for domain : 3
Client IP hashes to bucket number: 63
IP associated with hash bucket 63: 20.20.1.100
Your Client IP 30.30.1.2 will be serviced by domain IP 20.20.1.100
Displaying weighted hash-based GSLB persistence
The following command will show the list of active DNS domain IPs of a zone, weight value
configured for each IP, number of hash buckets allocated for each IP and usage counter for each IP.
Syntax: show gslb phash active-ip [all | zone-name <name> host-name <name>]
The command should be used on Barrel Processors only. User should use the "rconsole <slot>
<processor>" command to go the desired Barrel Processor and should use this command on the
Barrel Processor.
Here is the sample output of this command.
ServerIronADX# show gslb phash active-ip all
Persistent Hash active IP address for www.l47qa.com
active IP: 20.20.1.100, weight: 100, buckets: 212, usage: 0
active IP: 30.30.1.100, weight: 10, buckets: 22, usage: 0
active IP: 40.40.1.100, weight: 10, buckets: 22, usage: 0
Debug command
User can configure the following command to enable debugging for weighted hash-based GSLB
persistence.
ServerIronADX# debug phash
Syntax: [no] debug phash
Displaying the contents of active RTT cache entries
To display the contents of the active RTT cache entries on the site ServerIron ADX, enter a
command such as the following:
Site-ServerIronADX#show gslb active-rtt-cache 1.1.1.42
Syntax: show gslb active-rtt-cache <ldns-ip>
The <ldns-ip> refers to the IP address of the local DNS server for which you want to display the
corresponding prefix entry in the site ServerIron ADX active RTT cache.
84
Prefix length = 20, Prefix = 1.1.0.0
Age = 90, Cache Interval = 600
Refresh Age = 90, Refresh Interval = 600
ICMP query initiated = 1, ICMP query in progress = 0
DNS query initiated = 0, DNS query in progress = 0
ServerIron ADX Global Server Load Balancing Guide
53-1002437-01

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